Tag Archives: Scientific literature

Absence makes the genitalia grow weirder

Evolution loves penises. How else do you explain all the crazy penis shapes out there? Por ejemplo (slightly nsfw): the corkscrew duck penis, the spiny cat and chimp members, the sci-fi-esque spiked penis of a seed beetle, the 4-headed penis of … Continue reading

Posted in Evolution of sex, Sexual selection | Tagged , , , , , , , , | 3 Comments

What your testicles taste

Most people probably think of tastebuds as existing only on their tongues, but did you know there are taste buds in testes? It’s true. Sort of. They aren’t exactly like the taste buds in your mouth. Male germ cells–the cells … Continue reading

Posted in Eggs and sperm | Tagged , , , , , , , , | 1 Comment

The discriminating vagina

All kinds of things go into a woman’s vagina. Some are friendly (like sperm and vaginal microbes), and some are very bad (STDs). The immune system in the vagina has to be able to tell the difference and react appropriately. … Continue reading

Posted in Human reproduction, Human sex, Seminal fluid | Tagged , , , , , , , , , | Leave a comment

Social interactions get female cockroaches in the mood

How can I get even more cockroaches in my apartment? is a question I’m sure all of you have asked at one time or another. The good news is, all you need to speed up roach production is…other roaches! Or, at … Continue reading

Posted in Eggs and sperm, Insect reproduction | Tagged , , , , , | 2 Comments

Being pregnant must be super scary

  Kate Middleton might love being pregnant, but for the average woman it can be confusing and scary. Every day we learn about some new thing that, if you do it when you’re pregnant, can totally screw up your kid. … Continue reading

Posted in Human reproduction, Sex and society | Tagged , , , , | 1 Comment